On the translation notes of the net concerning Luke 18:13 it say's
"tn Grk “the sinner.” The tax collector views himself not just as any sinner but as the worst of all sinners. See ExSyn 222–23."
Biblical Studies Press. (2006; 2006). The NET Bible First Edition; Bible. English. NET Bible.; The NET Bible. Biblical Studies Press.
what book it the (ExSyn 222–23) that it references?